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88351 Old Highway, Plantation Key, FL 33036

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For Sale

$20,995,000

6 beds • 9 baths • 6,946 sqft

Estimated Payment

$ 110,664 /mo. †

6.76% APR for 30 yrs.
$19,366 in taxes
Change Loan Terms

  • Single Family Detached
    Property type

  • $3,022.60
    Price per square foot

  • New Construction
    Age

  • Hot Tub Spa
    Amenities

Explore this Property

'Tranquility Haven' features the newest construction in Islamorada... completed January 2025! As you enter the gated and fenced sanctuary a long winding driveway leads up to an elevated entrance and convenient 1st floor living access. The 6 bedrooms and 9 bathrooms provide the epitome of coastal living with uninterrupted views of the turquoise waters on the Atlantic Ocean, with serene sunrises, and the gentle symphony of waves as your daily backdrop. Nestled on 210' of private sandy beach, this 2.04ac +/- serene oasis invites you to indulge in 6,946 sf of air-conditioned elegance and 1,800 sf of covered outdoor living designed for relaxation and entertaining. At its heart, a stunning 65' blue lagoon pool with swim-up bar stools, propane fire pit and spacious lounging patio promises unforgettable moments with family and friends.Inside, every detail reflects the designers' mastery, from the chef's kitchen with SubZero, Thermador, and Wolf appliances to the grand living spaces that blend sophistication with comfort. The residence boasts 2 master suites that include double bathrooms and closets! A luxurious feature of the 1st floor master suite is a shower 'al fresco' surrounded by a unique orchid garden and immediate access to the spa and pool patio. The 2nd floor master suite ensures more privacy and the ultimate sunrise horizon view! Much more is revealed as you walk from room to room - a flex room provides for possibilities of fitness, office or guests. A family room designed with home theater technology, a 2 car garage together with a beach-access garage and professionally landscaped grounds is complete with a tropical fruit orchard! Begin each day with golden sunrises and end with starlit skies, all within the embrace of an ocean breeze. Encounter warm Winter days and cool Summer nights. Whether hosting lavish gatherings or seeking peaceful solitude, this estate can be your haven - a perpetual island vacation in the Florida Keys!
MLS# 613376

Courtesy Of Coldwell Banker Schmitt Islamorada

(305) 664-4470

Property Features

  • Age
    New Construction
  • Amenities
    Wet Bar, Ceiling Fan, Hot Tub Spa, Security System, Disabled Access, Security System, Elevator, Water Front
  • Appliances
    Dishwasher, Dryer, Garbage Disposer, Range, Refrigerator, Washer
  • Architecture Style
    Other
  • Cooling System
    Ceiling Fan(s)
  • Floor Covering
    Tile
  • Lot Size
    2.04 Acres
  • Roof Type
    Metal
  • View Type
    Ocean, Water

Map and Directions

Directions to 88351 Old Highway, Plantation Key, FL 33036

Home seller CENTURY 21 Circle

Get to know the neighborhood. A local affiliated CENTURY 21 office will help you set up tours, give advice, and negotiate with sellers.

CENTURY 21 Circle

(305) 664-4637
Learn More About Us

Mortgage Calculator

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Monthly Payment Breakdown

  • Principle and Interest
    $109,050
  • Property Taxes
    $1,613
  • Hazard Insurance
    $0
  • Private Mortgage Insurance
    $0
  • HOA Dues
    $0
  • Total Monthly Payment:
    $110,664

Calculators provided for estimating purposes only. Consult with your lender to determine precise payment requirements.

Schools

Coral Shores High School

Grades 9-12 Public School

Tavernier, FL 33070 1.7 miles
89901 old hwy

711 total students
17:1 Student teacher ratio

School Rating: C+

School Details
Other Nearby Schools Distance Type Grades School Rating
Plantation Key School 1.5 miles Public PK-8 A-
Treasure Village Montessori Charter School 1.6 miles Public PK-8 A+
Ocean Studies Charter 3.7 miles Public KG-5 A
Burton Memorial Child Development Center 4.4 miles Private KG

Plantation Key School

Distance: 1.5 miles

Type Public

Grades: PK-8

A-

Treasure Village Montessori Charter School

Distance: 1.6 miles

Type Public

Grades: PK-8

A+

Ocean Studies Charter

Distance: 3.7 miles

Type Public

Grades: KG-5

A

Burton Memorial Child Development Center

Distance: 4.4 miles

Type Private

Grades: KG

School information does not guarantee enrollment. School service boundaries are provided as a reference only, may change, and are not guaranteed to be accurate. Contact the school district directly to verify school enrollment eligibility.

Local area information for Plantation Key, FL 33036

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Plantation Key, FL 33036

This community’s employment is highest in the food and sales industries. The area’s overall household expenses are above the national average.

90° August
Hottest Average Month
62° January
Coldest Average Month
2,053 Total Households in Area
-4.2% Increase in population since the year 2010
12.4%
of households
have children
24 minutes
Median Commute Time

Household Expenses vs National Average

This location’s average annual expenditures by category compared to the national average. Index score (100=National Average)

Demographic facts
for Plantation Key, FL 33036

Plantation Key, FL 33036 has a population of 4,033 people in 2,053 households with a median age of 56.1 years old.

-4.2%
Decrease in population
since the year 2010
Population is Trending down
2,020
Total households as of 2010
4%
projected percent change in total
households in 5 years

Community Population By Age

The median age for this area is 56.1 years old. The smallest percentage group is 55-64 years and the largest percentage is the 85+ years age range.

Community Population By Ethnicity

White 83%
Hispanic 16%
Other 3%
Black <1%
Native American <1%
Asian <1%
The most prevalent ethnicity is White at 83%, followed by Hispanic at 16%, Other at 3%, and Black at <1%.

Economics
for Plantation Key, FL 33036

74 /sq mi
Population Density
$86,683 /yr
Median Household Income
$1,175,000
Median Sales Price
24 min
Median Commute Time

Household Expenses vs National Average

This location’s average annual expenditures by category compared to the national average. Index score (100=National Average)

Household by Income

Out of the households in this area, the largest income group is Over $200k representing 19.69% of the households.

Transportation to Work

  • Drive 72%
  • Work from Home 16%
  • Walk or Bike 9%
  • Public Transit 1%

Occupancy by Type

Vacant 1,729 46%
Owned 1,582 42%
Rented 471 12%

White vs Blue Collar Jobs







White Collar 84%
Blue Collar 16%

Family & Education Facts
for Plantation Key, FL 33036

56.1 Median Age

Average Household Size

2
persons per
household

47.8%

Married Households

Community Population By Education

High School Graduate 29%
Bachelors Degree 24%
Graduate Degree 18%
Some College 15%
Associates Degree 11%
Some High School 3%
Of the total people surveyed, the most prevalent educational attainment level is High School Graduate, representing 29.31% of the population.

Household Family Expenses vs National Average

This location’s average annual expenditures compared to the national average. Index score (100=National Average)
12.4% of households have children

Weather
for Plantation Key, FL 33036

The weather for this area ranges from a high of 90° F in August to a low of 62° F in January

90° August
Hottest Average Month
62° January
Coldest Average Month

Average Temperature by Month

Low (°F)
High (°F)
Jan
62°
75°
Feb
63°
77°
Mar
66°
79°
Apr
70°
82°
May
73°
85°
Jun
76°
88°
Jul
78°
89°
Aug
78°
90°
Sep
76°
88°
Oct
73°
85°
Nov
68°
80°
Dec
64°
77°

Average Temperature in Degrees Fahrenheit

Precipitation

Precipitation (inch)

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Copyright © 2025 Florida Keys Board of REALTORS&#174;. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified. Information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

Data powered by Attom Data Solutions. Copyright© 2025. Information deemed reliable but not guaranteed.

This information is provided for general informational purposes only and should not be relied on in making any home-buying decisions. School information does not guarantee enrollment. Contact a local real estate professional or the school district(s) for current information on schools. This information is not intended for use in determining a person's eligibility to attend a school or to use or benefit from other city, town or local services.

† Based on a 30-year fixed rate of 3.38% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Interest rates are also subject to credit and property approval based on secondary market guidelines. The rates shown are based on average rates for our best qualified customers. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

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